The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 07, 2017

Filed:

May. 19, 2010
Applicants:

Toshiaki Masui, Settsu, JP;

Tomihiko Yanagiguchi, Settsu, JP;

Mayuko Taeda, Settsu, JP;

Takeshi Inaba, Settsu, JP;

Inventors:

Toshiaki Masui, Settsu, JP;

Tomihiko Yanagiguchi, Settsu, JP;

Mayuko Taeda, Settsu, JP;

Takeshi Inaba, Settsu, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 25/08 (2006.01); B32B 7/04 (2006.01); B32B 7/10 (2006.01); B32B 25/14 (2006.01); B32B 27/30 (2006.01); F16L 11/04 (2006.01);
U.S. Cl.
CPC ...
B32B 25/08 (2013.01); B32B 7/10 (2013.01); B32B 25/14 (2013.01); B32B 27/304 (2013.01); B32B 2250/02 (2013.01); B32B 2250/03 (2013.01); B32B 2250/24 (2013.01); B32B 2264/102 (2013.01); B32B 2264/108 (2013.01); B32B 2264/12 (2013.01); B32B 2305/77 (2013.01); B32B 2307/306 (2013.01); B32B 2307/51 (2013.01); B32B 2307/714 (2013.01); B32B 2307/7265 (2013.01); B32B 2307/738 (2013.01); B32B 2605/00 (2013.01); F16L 11/04 (2013.01); F16L 2011/047 (2013.01); Y10T 428/31544 (2015.04);
Abstract

A laminate of a rubber layer (A) and a fluororesin layer (B) on the rubber layer (A), wherein the rubber layer (A) is a layer made of a rubber composition for vulcanization, the rubber composition for vulcanization contains an unvulcanized rubber (a1); at least one compound (a2) selected from the group consisting of a 1,8-diazabicyclo(5.4.0)undec-7-ene salt, a 1,5-diazabicyclo(4.3.0)-non-5-ene salt, 1,8-diazabicyclo(5.4.0)undec-7-ene, and 1,5-diazabicyclo(4.3.0)-non-5-ene; magnesium oxide (a3); and silica (a4), the amount of the compound (a2) is larger than 1.0 part by mass and not larger than 5.0 parts by mass, for each 100 parts by mass of the unvulcanized rubber (a1), the fluororesin layer (B) is a layer made of a fluoropolymer composition, and the fluoropolymer composition contains a fluoropolymer (b1) having a copolymer unit derived from chlorotrifluoroethylene.


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